Finding the Fourth Proportional to 590,493,610.30, 885,740,415.45 and 437,438,602.30
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Solution
The fourth proportional to 590,493,610.30, 885,740,415.45 and 437,438,602.30 is: 656,157,903.45
Step by Step Solution
- Step 1: Write the proportion equation
590,493,610.30 : 885,740,415.45 = 437,438,602.30 : x - Step 2: Convert to fraction form
590,493,610.30/885,740,415.45 = 437,438,602.30/x - Step 3: Cross multiply
590,493,610.30x = 885,740,415.45 × 437,438,602.30 - Step 4: Simplify right side
590,493,610.30x = 387,457,049,335,069,376 - Step 5: Solve for x
x = 387,457,049,335,069,376/590,493,610.30 - Step 6: Final answer
x = 656,157,903.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.